CANON AS2200 Desktop Calculator 12 digits, Type: Desktop; Angled Display: Adjustable (2-level) LCD Display Panel; Digit Comma Separator: Thousand separator; Display Screen Size: 91.5 x 23.8mm; Display Character Size: 18.5 x 6.01mm; Constant Calculation: Yes; Decimal Selector: Yes (+, 4, 3, 2, 0, F); Rounding: Yes (Up, 5/4, Dn); Grand Total: Yes; Key Roll-Over: Yes; Percentage: +/-; O Key(s): 0, 00; Keytops: Plastic; Reverse (RV) Key: Yes; Shift key: Yes; Squate Root: Yes; GT Key: Yes; Sign Change Key: Yes; Total Key: Yes; Mark-up or Mark-down: Mark-up; Auto-power Off: Yes (7 mins); Slide Switches/Selectors: Rounding/ Decimal; Memory: Yes (M+, M-, RM/CM); Power Source: Dual power; CANON CANAS2200 2200